<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Promise关键问题 - 如何串联多个任务</title>
</head>
<body>
	<script>
		let p = new Promise((resolve,reject)=>{
			setTimeout(()=>{
				resolve('OK')
			},1000)
		})
		
		p.then(value =>{
			return new Promise((resolve,reject)=>{
				resolve("success")
			})
		}).then(value =>{
			console.log(value)
		}).then(value=>{
			console.log(value)
		})
	</script>
</body>
</html>